From 03ecd3a97d2e92ab25c2143f50db129417b6a817 Mon Sep 17 00:00:00 2001
From: Graham Edgecombe <gpe@grahamedgecombe.com>
Date: Tue, 5 Dec 2017 21:14:16 +0000
Subject: [PATCH] Remove unused mem_read_en output

---
 rv32.sv     | 4 ----
 rv32_mem.sv | 2 --
 2 files changed, 6 deletions(-)

diff --git a/rv32.sv b/rv32.sv
index 58e2ab9..42ba00d 100644
--- a/rv32.sv
+++ b/rv32.sv
@@ -237,7 +237,6 @@ module rv32 (
         .branch_pc_in(execute_branch_pc),
 
         /* control out */
-        .read_en_out(mem_read_en),
         .branch_taken_out(mem_branch_taken),
         .rd_out(mem_rd),
         .rd_writeback_out(mem_rd_writeback),
@@ -247,9 +246,6 @@ module rv32 (
         .branch_pc_out(mem_branch_pc)
     );
 
-    /* mem -> hazard control */
-    logic mem_read_en;
-
     /* mem -> writeback control */
     logic [4:0] mem_rd;
     logic mem_rd_writeback;
diff --git a/rv32_mem.sv b/rv32_mem.sv
index 9106ab9..d53dd58 100644
--- a/rv32_mem.sv
+++ b/rv32_mem.sv
@@ -29,7 +29,6 @@ module rv32_mem (
     input [31:0] branch_pc_in,
 
     /* control out */
-    output read_en_out,
     output branch_taken_out,
     output [4:0] rd_out,
     output rd_writeback_out,
@@ -119,7 +118,6 @@ module rv32_mem (
 
     always_ff @(posedge clk) begin
         if (!stall_in) begin
-            read_en_out <= read_en_in;
             rd_out <= rd_in;
             rd_writeback_out <= rd_writeback_in;